(19)
(11) EP 1 034 319 A1

(12)

(43) Date of publication:
13.09.2000 Bulletin 2000/37

(21) Application number: 98958430.5

(22) Date of filing: 26.11.1998
(51) International Patent Classification (IPC)7: C23C 16/40, C23C 16/50
(86) International application number:
PCT/SE9802/140
(87) International publication number:
WO 9927/155 (03.06.1999 Gazette 1999/22)
(84) Designated Contracting States:
AT CH DE FR GB IT LI SE

(30) Priority: 26.11.1997 SE 9704387

(71) Applicant: SANDVIK AKTIEBOLAG
811 81 Sandviken (SE)

(72) Inventors:
  • TÄSCHNER, Christine
    D-01217 Dresden (DE)
  • ENDLER, Ingolf
    D-01640 Dresden (DE)
  • LEONHARDT, Albrecht
    D-01326 Dresden (DE)
  • LJUNGBERG, Björn
    S-122 44 Enskede (SE)
  • SJÖSTRAND, Mats
    S-164 78 Kista (SE)

(74) Representative: Taquist, Lennart 
Sandvik ABPatent Department
811 81 SANDVIKEN
811 81 SANDVIKEN (SE)

   


(54) METHOD FOR DEPOSITING FINE-GRAINED ALUMINA COATINGS ON CUTTING TOOLS